US20040203496A1 - Sliding type mobile telephone terminal - Google Patents
Sliding type mobile telephone terminal Download PDFInfo
- Publication number
- US20040203496A1 US20040203496A1 US10/302,580 US30258002A US2004203496A1 US 20040203496 A1 US20040203496 A1 US 20040203496A1 US 30258002 A US30258002 A US 30258002A US 2004203496 A1 US2004203496 A1 US 2004203496A1
- Authority
- US
- United States
- Prior art keywords
- sliding
- housing
- mobile telephone
- telephone terminal
- type mobile
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
- H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
- H04M1/0235—Slidable or telescopic telephones, i.e. with a relative translation movement of the body parts; Telephones using a combination of translation and other relative motions of the body parts
- H04M1/0237—Sliding mechanism with one degree of freedom
Abstract
Description
- This application claims priority to an application entitled “SLIDING-TYPE PORTABLE PHONE”, filed in the Korean Industrial Property Office on Jul. 2, 2002 and assigned U.S. Ser. No. 2002-37910, the contents of which are hereby incorporated by reference.
- 1. Field of the Invention
- The present invention relates to a mobile telephone terminal such as a cellular phone, a PDA (Personal Digital Assistant), an HHP (Hand Held Phone), etc., and more particularly to a sliding type mobile telephone terminal in which a sliding housing is opened from and closed into a main housing by a sliding motion.
- 2. Description of the Related Art
- Usually, mobile telephone terminals, also referred to as portable units, communicate with a counterpart mobile terminal via wireless communication with a base station. These conventional mobile telephone terminals are divided into several types according to their external shapes. For example, the mobile telephone terminals may be divided into bar type terminals, flip type terminals, and folder type terminals, according to their shapes. The bar type mobile telephone terminal comprises a bar type single housing. The flip type mobile telephone terminal comprises a bar type main housing, a hinge unit, and a flip rotatably connected to the bar type main housing by the hinge unit, thereby opening and closing from and into the bar type main housing. The folder type mobile telephone terminal comprises a main housing, a hinge unit, and a folder rotatably connected to the main housing by the hinge unit, thereby folding and unfolding the folder into and from the main housing.
- Further, the mobile telephone terminals may be divided into necklace type terminals, wristlet type terminals, etc., according to their wearing locations. The necklace type terminal is hung on a user's neck using a string and the wristlet type terminal is strapped to a user's wrist.
- Moreover, the mobile telephone terminals may be divided into rotation type terminals and sliding type terminals according to their opening and closing methods. The rotation type terminal is opened and closed by relative rotational motion of its two housings disposed opposite to each other and rotatably connected to the each other. The sliding type terminal is opened and closed by sliding motion of its two housings.
- Those skilled in the art will appreciate the above described various mobile telephone terminals.
- Hereinafter, among the aforementioned various types of mobile telephone terminals, the sliding type mobile telephone terminal is described in detail. The sliding type mobile telephone terminal comprises two housings. One housing is opened from and closed into the other housing by being slid on the other housing in a longitudinal direction.
- However, the conventional sliding type mobile telephone terminal is fully opened or closed only when a user manually applies force to the mobile telephone terminal from the beginning to the end of the opening or closing operation. This causes an inconvenience to the user during opening and closing operations. As a result, in order to solve this problem, a sliding type mobile telephone terminal for being conveniently opened and closed with a minimum force is required.
- Therefore, the present invention has been made in view of the above problems, and it is an object of the present invention to provide a sliding type mobile telephone terminal comprising a module for providing opening and closing forces by sliding motion.
- It is another object of the present invention to provide a sliding type mobile telephone terminal which can be conveniently used.
- In accordance with the present invention, the above and other objects can be accomplished by the provision of a sliding type mobile telephone terminal comprising (a) a main housing with upper and lower surfaces, (b) a sliding housing with upper and lower surfaces and first and second guide slots symmetrically formed on the lower surface to have a designated shape, and accepting in a range of a first sliding length a closing force from the main housing and accepting in a range of a second sliding length being disposed above the first sliding length an opening force from the main housing, thereby being closed into and opened from the main housing in a longitudinal direction so that the lower surface of the sliding housing is slid on the upper surface of the main housing, and (c) a module accommodated in the main housing and associated with the first and second guide slots so as to provide the opening and closing forces to the sliding housing.
- The above and other objects, features and other advantages of the present invention will be more clearly understood from the following detailed description taken in conjunction with the accompanying drawings, in which:
- FIG. 1 is a perspective view of a sliding type mobile telephone terminal in a closed condition of a sliding housing into a main housing in accordance with a preferred embodiment of the present invention;
- FIG. 2 is a perspective view of the sliding type mobile telephone terminal in an opened condition of the sliding housing slid away from the main housing in accordance with the preferred embodiment of the present invention;
- FIG. 3 is a bottom view of the sliding housing in accordance with the preferred embodiment of the present invention;
- FIG. 4 is an exploded perspective view of the sliding type mobile telephone terminal in accordance with the preferred embodiment of the present invention;
- FIG. 5 is a perspective view of a module of the sliding type mobile telephone terminal in accordance with the preferred embodiment of the present invention; and
- FIGS. 6A to6C are plan views respectively showing opening and closing processes of the sliding type mobile telephone terminal and operation of the module in accordance with the preferred embodiment of the present invention.
- Now, preferred embodiments of the present invention will be described in detail with reference to the annexed drawings. In the drawings, the same or similar elements are denoted by the same reference numerals even though they are depicted in different drawings. In the following description, a detailed description of known functions and configurations are omitted to avoid making the subject matter of the present invention unclear.
- FIGS. 1 and 2 perspectively show a sliding type mobile telephone terminal in accordance with a preferred embodiment of the present invention. FIG. 1 is a perspective view of the sliding type mobile telephone terminal in a closed condition of a sliding
housing 20 into amain housing 10. FIG. 2 is a perspective view of the sliding type mobile telephone terminal in an opened condition of the slidinghousing 20 slid away from themain housing 10. In the sliding type mobile telephone terminal of the present invention, thesliding housing 20 is opened from and closed into themain housing 10 in a longitudinal direction by sliding motion. - In the sliding type mobile telephone terminal of the present invention, a closing force is provided to the sliding
housing 20 when the slidinghousing 20 is in the range of a first sliding length L1 (FIG. 6B), and an opening force is provided to the slidinghousing 20 when the slidinghousing 20 is in the range of a second sliding length L2 (FIG. 6C). That is, the slidinghousing 20 of the sliding type mobile telephone terminal of the present invention has to be manually and forcibly opened from themain housing 10 when the slidinghousing 20 is in the range of the first sliding length L1, but then is automatically opened from themain housing 10 by the aforementioned opening force when the slidinghousing 20 is in the range of the second sliding length L2. - A
protrusion 16 is formed on a front end of themain housing 10. In case the slidinghousing 20 is closed into themain housing 10, a front end of thesliding housing 20 abuts theprotrusion 16 of themain housing 10. As shown in FIGS. 2 and 3, alower surface 20 b of the slidinghousing 20 is opposite to anupper surface 10 a of themain housing 10. - A
key pad 12 including a plurality of keys is formed on theupper surface 10 a of themain housing 10, and amicrophone unit 14 is installed on anupper surface 16 a of theprotrusion 16 of themain housing 10. Aspeaker unit 22 and a wide LCD (Liquid Crystal Display) 24 is formed on anupper surface 20 a of the slidinghousing 20. - With reference to FIGS. 3 and 4, the sliding type mobile telephone terminal of the present invention is described in detail. As described above, the sliding type mobile telephone terminal of the present invention provides the closing force to the sliding
housing 20 when the slidinghousing 20 is in the range of the first sliding length L1, and provides the opening force to the slidinghousing 20 when the slidinghousing 20 is in the range of the second sliding length L2. In order to achieve this function, the sliding type mobile telephone terminal comprises twoguide slots 26, i.e., first and second guide slots, and amodule 30 associated with the first andsecond guide slots 26. Herein, themodule 30 serves to provide the opening and closing forces to the slidinghousing 20. - Hereinafter, with reference to FIG. 3, the first and
second guide slots 26 formed on thelower surface 20 b of the slidinghousing 20 are described in detail. The first andsecond guide slots 26 are symmetrically formed on thelower surface 20 b of thesliding housing 20. The first andsecond guide slots 26 slantingly extend from respectivefirst ends 26 a so as to gradually converge. Next, the first andsecond guide slots 26 then slantingly extend from closest positions so as to gradually diverge. That is, the closet positions of the first andsecond guide slots 26 are referred to as bendingpoints 26 b. Stoppingholes 26 d extending in a designated direction are respectively formed on second ends 26 c of the first andsecond guide slots 26. - As shown in FIG. 4, the sliding
housing 20 comprises anupper casing frame 200 and alower casing frame 202 coupled with theupper casing frame 200. As described above, the LCD is disposed on theupper surface 20 a of theupper casing frame 200, and the first andsecond guide slots 26 are symmetrically formed on thelower surface 20 b of thelower casing frame 202. - The first and
second guide slots 26 are associated with themodule 30, thereby providing the closing force to the slidinghousing 20 in the range of the first sliding length L1 and the opening force to the slidinghousing 20 in the range of the second sliding length L2. - As shown in FIGS. 4 and 5, the
module 30 for providing the opening and closing forces to the slidinghousing 20 comprises ahousing 32, anelastomer 34, a pair ofguide bodies 36, and a pair ofguide protrusions 38. Herein, theelastomer 34 is accommodated in thehousing 32, and theguide bodies 36 are associated with theelastomer 34 and accommodated in thehousing 32. Thehousing 32 is installed in a designated position of themain housing 10. Preferably, thehousing 32 is installed on an end of the main housing opposite to theprotrusion 16 formed on the front end of themain housing 10. Further, thehousing 32 is installed on themain housing 20 in a perpendicular direction to the longitudinal sliding direction of the slidinghousing 20. Therefore, theelastomer 34 is also disposed perpendicular to the longitudinal sliding direction of the slidinghousing 20. Herein, theelastomer 34 is a compressed coil spring. - The
guide bodies 36 are respectively associated with both ends of thecompressed coil spring 34. The guide protrusions 38 extend from theguide bodies 36 in a designated direction, thereby protruding to the outside of thehousing 32. Therefore, thehousing 32 of themodule 30 further comprises a pair ofthird guide slots 30 a. Eachguide protrusion 38 is inserted into the correspondingthird guide slot 30 a so as to move along thethird guide slot 30 a. - The compressed
coil spring 34 accommodated in thehousing 32 is constricted and stretched according to the opening and closing operations of the slidinghousing 20. The twoguide protrusions 38 are associated with the both ends of thecompressed coil spring 34 and with the first andsecond guide slots 26, thereby converging or diverging according the opening and closing operations of the slidinghousing 20. - Hereinafter, with reference to FIGS. 6A to6C, the opening and closing operations of the sliding type mobile telephone terminal of the present invention is described in detail. FIG. 6A shows the sliding type mobile telephone terminal of the present invention in the closed condition of the sliding
housing 20 into themain housing 10. FIG. 6B shows the sliding type mobile telephone terminal of the present invention in a partially opened condition of the slidinghousing 20 from themain housing 10, as much as the first sliding length L1. - At this time, in order to open the sliding
housing 20 from themain housing 10 as much as the first sliding length L1, an external force is applied to the slidinghousing 20. While the slidinghousing 20 is slid on themain housing 10 from the closed condition of FIG. 6A to the partially opened condition of FIG. 6B, that is, while theguide protrusions 38 travel to the bending points 26 b of the first andsecond guide slots 26 from the respective first ends 26 a, the closing force is provided to the slidinghousing 20. On the other hand, while the slidinghousing 20 is slid on themain housing 10 from the partially opened condition of FIG. 6B to the fully opened condition of FIG. 6C, that is, while theguide protrusions 38 travel to the second ends 26 c from the respective bending points 26 b of the first andsecond guide slots 26, the opening force is provided to the slidinghousing 20. That is, a user provides the external force to the slidinghousing 20 only while the slidinghousing 20 is slid on themain housing 10 from the closed condition of FIG. 6A to the partially opened condition of FIG. 6B. Thereafter, the slidinghousing 20 is automatically and conveniently slid on themain housing 10 from the partially opened condition of FIG. 6B to the fully opened condition of FIG. 6C. - In the partially opened condition of FIG. 6B, the
guide protrusions 38 are the closest to each other and thecompressed coil spring 34 is most constricted. Consequently, if the user provides the external force to the slidinghousing 20 in the opening direction only enough to slide the slidinghousing 20 on themain housing 10 just past the first sliding length L1, the slidinghousing 20 is then automatically slid on themain housing 10 by the opening force of themodule 30, thereby conveniently and fully opening the slidinghousing 20 from themain housing 10. On the other hand, in order to close the slidinghousing 20 into themain housing 10, if the user provides the external force to the slidinghousing 20 in the closing direction only enough to slide the slidinghousing 20 on themain housing 10 just past the second sliding length L2, the slidinghousing 20 is then automatically slid on themain housing 10 by the closing force of themodule 30, thereby conveniently and fully closing the slidinghousing 20 to themain housing 10. - As apparent from the above description, the sliding type mobile telephone terminal of the present invention is easy to open and close, thereby being conveniently used by users.
- Although the preferred embodiments of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, without departing from the scope and spirit of the invention as disclosed in the accompanying claims.
Claims (11)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2002-37910 | 2002-07-02 | ||
KR1020020037910A KR100605862B1 (en) | 2002-07-02 | 2002-07-02 | Sliding-type portable phone |
Publications (2)
Publication Number | Publication Date |
---|---|
US20040203496A1 true US20040203496A1 (en) | 2004-10-14 |
US7162283B2 US7162283B2 (en) | 2007-01-09 |
Family
ID=29775005
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/302,580 Expired - Fee Related US7162283B2 (en) | 2002-07-02 | 2002-11-22 | Sliding type mobile telephone terminal |
Country Status (3)
Country | Link |
---|---|
US (1) | US7162283B2 (en) |
KR (1) | KR100605862B1 (en) |
CN (1) | CN1231036C (en) |
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US7590436B2 (en) * | 2002-12-12 | 2009-09-15 | Palm, Inc. | Slider mobile telephone comprising a bending wave loudspeaker |
US20060068858A1 (en) * | 2002-12-12 | 2006-03-30 | Michael Hulskemper | Slider mobile telephone comprising a bending wave loudspeaker |
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Also Published As
Publication number | Publication date |
---|---|
US7162283B2 (en) | 2007-01-09 |
CN1231036C (en) | 2005-12-07 |
CN1466353A (en) | 2004-01-07 |
KR100605862B1 (en) | 2006-07-31 |
KR20040003257A (en) | 2004-01-13 |
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